SK40 Refractory Fire Bricks is made by high sintering selected bauxite chamotte by advanced process with strict quality control at 1420-1530℃. SK40 Refractory Fire Bricks contains more than 82% aluminum.
SK40 Refractory Fire Bricks Performance Characters:
- High temperature resistant.
- Chemical erosion resistant.
- Slag resistance.
- Thermal stability.
SK40 Refractory Fire Bricks Applications:
- Furnaces of metallurgy industry, heat treatment furnace.
- Furnaces of chemical industry and construction industry.
- Furnace of incineration of garbage, recirculating fluidized bed furnace.
- Coke oven, blast furnace, hot blast stove, steel barrel, casting system, boiler, cement kiln, glass kiln and various furnace lining and thermal equipment, etc.
| Refractory Fire Bricks | SK-36 | SK-37 | SK-38 | SK-40 |
| AL2O3% (≥) | 55 | 65 | 70 | 82 |
| Fe2O3% (≤) | 2 | 2 | 2 | 2 |
| Refractoriness(SK) | 36 | 37 | 38 | 40 |
| Refractoriness underload, 0.2MPa, °C (≥) | 1450 | 1480 | 1530 | 1600 |
| Apparent porosity (%) | 20-23 | 20-23 | 20-22 | 18-20 |
| Bulk density (g/cm³) | 2.25-2.4 | 2.3-2.5 | 2.4-2.6 | 2.5-2.7 |
| Cold crushing strength ,MPa (≥) | 45 | 50 | 60 | 70 |
SK40 Refractory Fire Bricks Standard size:
SK40 Refractory Fire Bricks is widely used in kiln masonry. The size of high alumina SK40 refractory bricks is related to the calculation of kiln masonry consumption. Generally speaking, the standard size of high alumina refractory brick is 230*114*65mm, and the model is T3. Besides the standard brick, there are many other sizes. Also can be customized on color, size and shape, ect. Welcome to OEM and ODM.
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